//
// Resumes async Read or Write after the handshake is done
//
private void ResumeIO(BufferAsyncResult bufferResult)
{
IAsyncResult result;
if (bufferResult.IsWrite)
{
if (bufferResult.Buffers != null)
{
result = m_Worker.SecureStream.BeginWrite(bufferResult.Buffers, _CompleteIOCallback, bufferResult);
}
else
{
result = m_Worker.SecureStream.BeginWrite(bufferResult.Buffer, bufferResult.Offset, bufferResult.Count, _CompleteIOCallback, bufferResult);
}
}
else
{
result = m_Worker.SecureStream.BeginRead(bufferResult.Buffer, bufferResult.Offset, bufferResult.Count, _CompleteIOCallback, bufferResult);
}
if (result.CompletedSynchronously)
{
CompleteIO(result);
}
}
internal override IAsyncResult BeginMultipleWrite(BufferOffsetSize[] buffers, AsyncCallback callback, object state)
{
IAsyncResult result2;
if (!this.m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffers, state, callback);
if (this.ProcessAuthentication(result))
{
return result;
}
}
try
{
result2 = this.m_Worker.SecureStream.BeginWrite(buffers, callback, state);
}
catch
{
if (this.m_Worker.IsCertValidationFailed)
{
this.m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (this.m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
this.m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
this.m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
return result2;
}
internal override IAsyncResult BeginMultipleWrite(BufferOffsetSize[] buffers, AsyncCallback callback, object state)
{
GlobalLog.Print("TlsStream#" + ValidationHelper.HashString(this) + "::BeginMultipleWrite() SecureWorker#" + ValidationHelper.HashString(m_Worker) + " buffers.Length:" + buffers.Length.ToString());
if (!m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffers, state, callback);
if (ProcessAuthentication(result))
{
return(result);
}
}
try {
return(m_Worker.SecureStream.BeginWrite(buffers, callback, state));
}
catch {
if (m_Worker.IsCertValidationFailed)
{
m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
}
//
// BeginWrite -
//
// Write the bytes to the write - while encrypting
//
// copy plain text data to a temporary buffer
// encrypt the data
// once the data is encrypted clear the plain text for security
//
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int size, AsyncCallback asyncCallback, object asyncState)
{
GlobalLog.Print("TlsStream#" + ValidationHelper.HashString(this) + "::BeginWrite() SecureWorker#" + ValidationHelper.HashString(m_Worker) + " offset:" + offset.ToString() + " size:" + size.ToString());
if (!m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffer, offset, size, true, asyncState, asyncCallback);
if (ProcessAuthentication(result))
{
return(result);
}
}
try {
return(m_Worker.SecureStream.BeginWrite(buffer, offset, size, asyncCallback, asyncState));
}
catch {
if (m_Worker.IsCertValidationFailed)
{
m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback asyncCallback, object asyncState)
{
IAsyncResult result2;
if (!this.m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffer, offset, size, false, asyncState, asyncCallback);
if (this.ProcessAuthentication(result))
{
return(result);
}
}
try
{
result2 = this.m_Worker.SecureStream.BeginRead(buffer, offset, size, asyncCallback, asyncState);
}
catch
{
if (this.m_Worker.IsCertValidationFailed)
{
this.m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (this.m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
this.m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
this.m_ExceptionStatus = WebExceptionStatus.ReceiveFailure;
}
throw;
}
return(result2);
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback asyncCallback, object asyncState)
{
IAsyncResult result2;
if (!this.m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffer, offset, size, false, asyncState, asyncCallback);
if (this.ProcessAuthentication(result))
{
return result;
}
}
try
{
result2 = this.m_Worker.SecureStream.BeginRead(buffer, offset, size, asyncCallback, asyncState);
}
catch
{
if (this.m_Worker.IsCertValidationFailed)
{
this.m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (this.m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
this.m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
this.m_ExceptionStatus = WebExceptionStatus.ReceiveFailure;
}
throw;
}
return result2;
}
internal IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
{
BufferAsyncResult userAsyncResult = new BufferAsyncResult(this, buffer, offset, count, asyncState, asyncCallback);
AsyncProtocolRequest asyncRequest = new AsyncProtocolRequest(userAsyncResult);
this.ProcessRead(buffer, offset, count, asyncRequest);
return userAsyncResult;
}
internal override IAsyncResult BeginMultipleWrite(BufferOffsetSize[] buffers, AsyncCallback callback, object state)
{
IAsyncResult result2;
if (!this.m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffers, state, callback);
if (this.ProcessAuthentication(result))
{
return(result);
}
}
try
{
result2 = this.m_Worker.SecureStream.BeginWrite(buffers, callback, state);
}
catch
{
if (this.m_Worker.IsCertValidationFailed)
{
this.m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (this.m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
this.m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
this.m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
return(result2);
}
private static void CompleteIO(IAsyncResult result)
{
BufferAsyncResult asyncState = (BufferAsyncResult)result.AsyncState;
object obj2 = null;
if (asyncState.IsWrite)
{
((TlsStream)asyncState.AsyncObject).m_Worker.SecureStream.EndWrite(result);
}
else
{
obj2 = ((TlsStream)asyncState.AsyncObject).m_Worker.SecureStream.EndRead(result);
}
asyncState.InvokeCallback(obj2);
}
public override void EndWrite(IAsyncResult asyncResult)
{
GlobalLog.Print("TlsStream#" + ValidationHelper.HashString(this) + "::EndWrite() IAsyncResult#" + ValidationHelper.HashString(asyncResult));
try {
BufferAsyncResult bufferResult = asyncResult as BufferAsyncResult;
if (bufferResult == null || (object)bufferResult.AsyncObject != this)
{
m_Worker.SecureStream.EndWrite(asyncResult);
}
else
{
// we have wrapped user IO in case when handshake was not done as the Begin call
bufferResult.InternalWaitForCompletion();
Exception e = bufferResult.Result as Exception;
if (e != null)
{
throw e;
}
}
}
catch {
//HttpWebRequest depends on the stream to be dropped on a write error.
Socket chkSocket = this.Socket;
if (chkSocket != null)
{
chkSocket.InternalShutdown(SocketShutdown.Both);
}
// We also preserve the original status of a failure because the read
// side will now fail with object dispose error.
if (m_Worker.IsCertValidationFailed)
{
m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
}
private static void CompleteIO(IAsyncResult result)
{
BufferAsyncResult bufferResult = (BufferAsyncResult)result.AsyncState;
object readBytes = null;
if (bufferResult.IsWrite)
{
((TlsStream)bufferResult.AsyncObject).m_Worker.SecureStream.EndWrite(result);
}
else
{
readBytes = ((TlsStream)bufferResult.AsyncObject).m_Worker.SecureStream.EndRead(result);
}
bufferResult.InvokeCallback(readBytes);
}
public override void EndWrite(IAsyncResult asyncResult)
{
try
{
BufferAsyncResult result = asyncResult as BufferAsyncResult;
if ((result == null) || (result.AsyncObject != this))
{
this.m_Worker.SecureStream.EndWrite(asyncResult);
}
else
{
result.InternalWaitForCompletion();
Exception exception = result.Result as Exception;
if (exception != null)
{
throw exception;
}
}
}
catch
{
Socket socket = base.Socket;
if (socket != null)
{
socket.InternalShutdown(SocketShutdown.Both);
}
if (this.m_Worker.IsCertValidationFailed)
{
this.m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (this.m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
this.m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
this.m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
}
private void ResumeIOWorker(object result)
{
BufferAsyncResult bufferResult = (BufferAsyncResult)result;
try
{
ResumeIO(bufferResult);
}
catch (Exception exception)
{
if (exception is OutOfMemoryException || exception is StackOverflowException || exception is ThreadAbortException)
{
throw;
}
if (bufferResult.InternalPeekCompleted)
{
throw;
}
bufferResult.InvokeCallback(exception);
}
}
//
public override int EndRead(IAsyncResult asyncResult)
{
GlobalLog.Print("TlsStream#" + ValidationHelper.HashString(this) + "::EndRead() IAsyncResult#" + ValidationHelper.HashString(asyncResult));
try {
BufferAsyncResult bufferResult = asyncResult as BufferAsyncResult;
if (bufferResult == null || (object)bufferResult.AsyncObject != this)
{
return(m_Worker.SecureStream.EndRead(asyncResult));
}
// we have wrapped user IO in case when handshake was not done as the Begin call
bufferResult.InternalWaitForCompletion();
Exception e = bufferResult.Result as Exception;
if (e != null)
{
throw e;
}
return((int)bufferResult.Result);
}
catch {
if (m_Worker.IsCertValidationFailed)
{
m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
m_ExceptionStatus = WebExceptionStatus.ReceiveFailure;
}
throw;
}
}
public override int EndRead(IAsyncResult asyncResult)
{
int num;
try
{
BufferAsyncResult result = asyncResult as BufferAsyncResult;
if ((result == null) || (result.AsyncObject != this))
{
return(this.m_Worker.SecureStream.EndRead(asyncResult));
}
result.InternalWaitForCompletion();
Exception exception = result.Result as Exception;
if (exception != null)
{
throw exception;
}
num = (int)result.Result;
}
catch
{
if (this.m_Worker.IsCertValidationFailed)
{
this.m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (this.m_Worker.LastSecurityStatus != SecurityStatus.OK)
{
this.m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else
{
this.m_ExceptionStatus = WebExceptionStatus.ReceiveFailure;
}
throw;
}
return(num);
}
//
// BeginWrite -
//
// Write the bytes to the write - while encrypting
//
// copy plain text data to a temporary buffer
// encrypt the data
// once the data is encrypted clear the plain text for security
//
public override IAsyncResult BeginWrite( byte[] buffer, int offset, int size, AsyncCallback asyncCallback, object asyncState) {
GlobalLog.Print("TlsStream#" + ValidationHelper.HashString(this) + "::BeginWrite() SecureWorker#" + ValidationHelper.HashString(m_Worker) + " offset:" + offset.ToString() + " size:" + size.ToString());
if (!m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffer, offset, size, true, asyncState, asyncCallback);
if (ProcessAuthentication(result))
return result;
}
try {
return m_Worker.SecureStream.BeginWrite(buffer, offset, size, asyncCallback, asyncState);
}
catch {
if (m_Worker.IsCertValidationFailed) {
m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (m_Worker.LastSecurityStatus != SecurityStatus.OK) {
m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else {
m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
}
//
// Resumes async Read or Write after the handshake is done
//
private void ResumeIO(BufferAsyncResult bufferResult)
{
IAsyncResult result;
if (bufferResult.IsWrite)
{
if (bufferResult.Buffers != null)
result = m_Worker.SecureStream.BeginWrite(bufferResult.Buffers, _CompleteIOCallback, bufferResult);
else
result = m_Worker.SecureStream.BeginWrite(bufferResult.Buffer, bufferResult.Offset, bufferResult.Count, _CompleteIOCallback, bufferResult);
}
else
{
result = m_Worker.SecureStream.BeginRead(bufferResult.Buffer, bufferResult.Offset, bufferResult.Count, _CompleteIOCallback, bufferResult);
}
if (result.CompletedSynchronously)
{
CompleteIO(result);
}
}
public override IAsyncResult BeginRead(Byte[] buffer, Int32 offset, Int32 count, AsyncCallback callback, Object state)
{
if (!this.BufferedAsync)
return IntBeginRead(buffer, offset, count, callback, state);
AsyncRequest lRequest = new AsyncRequest();
lRequest.AsyncBuffer = buffer;
lRequest.AsyncOffset = offset;
lRequest.AsyncCount = count;
lRequest.AsyncRest = count;
lRequest.AsyncCallback = callback;
lRequest.AsyncState = state;
try
{
if (fBuffer != null && fBufferEnd - fBufferStart > 0)
{
IAsyncResult lAr = new BufferAsyncResult(buffer, offset, count, lRequest);
IntReadCallback(lAr);
return lAr;
}
IntBeginRead(buffer, offset, count, IntReadCallback, lRequest);
}
catch (ObjectDisposedException) // disconnect from this side
{
TriggerAsyncDisconnect();
throw;
}
catch (SocketException) // disconnect
{
TriggerAsyncDisconnect();
throw;
}
return lRequest;
}
protected virtual IAsyncResult IntBeginRead(Byte[] buffer, Int32 offset, Int32 count, AsyncCallback callback, Object state)
{
if (fBuffer != null && fBufferEnd - fBufferStart > 0)
{
IAsyncResult lAr = new BufferAsyncResult(buffer, offset, count, state);
callback(lAr);
return lAr;
}
return fDataSocket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state);
}
internal override IAsyncResult BeginMultipleWrite(BufferOffsetSize[] buffers, AsyncCallback callback, object state) {
GlobalLog.Print("TlsStream#" + ValidationHelper.HashString(this) + "::BeginMultipleWrite() SecureWorker#" + ValidationHelper.HashString(m_Worker) + " buffers.Length:" + buffers.Length.ToString());
if (!m_Worker.IsAuthenticated)
{
BufferAsyncResult result = new BufferAsyncResult(this, buffers, state, callback);
if (ProcessAuthentication(result))
return result;
}
try {
return m_Worker.SecureStream.BeginWrite(buffers, callback, state);
}
catch {
if (m_Worker.IsCertValidationFailed) {
m_ExceptionStatus = WebExceptionStatus.TrustFailure;
}
else if (m_Worker.LastSecurityStatus != SecurityStatus.OK) {
m_ExceptionStatus = WebExceptionStatus.SecureChannelFailure;
}
else {
m_ExceptionStatus = WebExceptionStatus.SendFailure;
}
throw;
}
}